City guide · Zone 6a
What to plant in Milwaukee, Wisconsin
A full-sun bed in Milwaukee: Ninebark 'Summer Wine', Dwarf fountain grass 'Hameln', Foxglove beardtongue 'Husker Red', Blanket flower 'Arizona Sun', Creeping phlox. Zone 6a, last frost around May 1.
Lake-moderated with four hard seasons. Choose fully hardy plants.
Preview: plant data is awaiting horticulturist review. A professional horticulturist hasn't reviewed our plant table yet. Lists still follow fixed rules for zone, sun, pets, deer and invasive status.
Milwaukee, Wisconsin at a glance
- Hardiness zone (2023 USDA)
- 6a (ZIP 53202)
- Typical last spring frost
- May 1
- Typical first fall frost
- Oct 10
- Spring planting window
- early May to early June
- Fall planting window
- mid-September to mid-October
- Annual rainfall (approx.)
- 35 in
Frost dates are typical metro values, not forecasts. Humid summers and wide temperature swings matter alongside winter cold; most plants hardy here also take the heat. Our lists for Milwaukee use the rules for the Midwest.
Zone: USDA Plant Hardiness Zone Map, 2023 (USDA Agricultural Research Service; data by the PRISM Climate Group, Oregon State University). ZIP code to state data: GeoNames (geonames.org), CC BY 4.0.
A full-sun bed in Milwaukee
6 or more hours of direct summer sun, 12 × 6 ft.
12 × 6 ft · Zone 6a · 6+ hours of sun · Cottage
Physocarpus opulifolius 'Seward'
Structure · Back of bed · 3-gallon pot · 5 ft apart · grows 5–6 ft tall · Jun
Can't find it? Use Shrub rose 'Knock Out' or Dwarf panicle hydrangea 'Little Lime'.
Pennisetum alopecuroides 'Hameln'
Grass · Middle of bed · 1-gallon pot · 2 ft apart · grows 2–3 ft tall · Jul–Sep
Can't find it? Use Northern sea oats or Pink muhly grass.
Penstemon digitalis 'Husker Red'
Filler · Middle of bed · 1-gallon pot · 1.5 ft apart · grows 2–3 ft tall · May–Jun
Can't find it? Use English lavender 'Hidcote' or Meadow sage 'May Night'.
Gaillardia × grandiflora 'Arizona Sun'
Filler · Front of bed · quart pot · 1.3 ft apart · grows 0.5–1 ft tall · Jun–Oct
Can't find it? Use Spike speedwell 'Royal Candles'.
Phlox subulata
Edge · Edge of bed · quart pot · 1.3 ft apart · grows 3–6 in tall · Apr–May
Can't find it? Use Cheddar pinks 'Firewitch' or Hens and chicks.
Kinds
5
Plants
26
Coverage
83%
Mulch
9 bags
Mulch: 0.67 cu yd at 3 in deep (9 bags of 2 cu ft). Plants cover about 83% of the 72 sq ft bed when mature.
A part-shade bed in Milwaukee
2 to 4 hours of direct summer sun, 12 × 6 ft.
12 × 6 ft · Zone 6a · 2–4 hours of sun · Classic
Taxus × media 'Densiformis'
Structure · Back of bed · 3-gallon pot · 4.5 ft apart · grows 3–4 ft tall · Foliage plant
Can't find it? Use Dwarf boxwood 'Green Gem' or Inkberry holly 'Shamrock'.
Athyrium niponicum 'Pictum'
Grass · Middle of bed · 1-gallon pot · 1.3 ft apart · grows 1–1.5 ft tall · Foliage plant
Can't find it? Use Autumn fern or Japanese forest grass 'Aureola'.
Heuchera micrantha var. diversifolia 'Palace Purple'
Filler · Middle of bed · 1-gallon pot · 1.3 ft apart · grows 1–1.5 ft tall · Jun–Jul
Can't find it? Use Lenten rose or Hardy geranium 'Rozanne'.
Brunnera macrophylla 'Jack Frost'
Filler · Middle of bed · 1-gallon pot · 1.5 ft apart · grows 1–1.5 ft tall · Apr–May
Can't find it? Use Lenten rose or Hardy geranium 'Rozanne'.
Carex morrowii 'Ice Dance'
Edge · Edge of bed · 1-gallon pot · 1.3 ft apart · grows 0.75–1 ft tall · Foliage plant
Can't find it? Use Japanese sedge 'Evergold' or Cranesbill 'Biokovo'.
Kinds
5
Plants
32
Coverage
80%
Mulch
9 bags
Mulch: 0.67 cu yd at 3 in deep (9 bags of 2 cu ft). Plants cover about 80% of the 72 sq ft bed when mature.
A shady bed in Milwaukee
Under 2 hours of direct summer sun, 12 × 6 ft.
12 × 6 ft · Zone 6a · Under 2 hours of sun · Classic
Hydrangea arborescens 'Annabelle'
Structure · Back of bed · 3-gallon pot · 3.5 ft apart · grows 3–5 ft tall · Jun–Aug
Carex oshimensis 'Evergold'
Grass · Front of bed · 1-gallon pot · 1 ft apart · grows 0.75–1 ft tall · Foliage plant
Can't find it? Use Japanese painted fern 'Pictum' or Japanese forest grass 'Aureola'.
Lenten rose
× 7
Helleborus × hybridus
Filler · Front of bed · 1-gallon pot · 1.5 ft apart · grows 1–1.5 ft tall · Feb–Apr
Can't find it? Use Astilbe 'Fanal' or Hosta 'Patriot'.
Brunnera macrophylla 'Jack Frost'
Filler · Front of bed · 1-gallon pot · 1.5 ft apart · grows 1–1.5 ft tall · Apr–May
Can't find it? Use Astilbe 'Fanal' or Hosta 'Patriot'.
Heuchera villosa 'Caramel'
Edge · Edge of bed · 1-gallon pot · 1.5 ft apart · grows 1–1.5 ft tall · Aug–Sep
Can't find it? Use Coral bells 'Palace Purple' or Barrenwort 'Sulphureum'.
Kinds
5
Plants
35
Coverage
89%
Mulch
9 bags
Mulch: 0.67 cu yd at 3 in deep (9 bags of 2 cu ft). Plants cover about 89% of the 72 sq ft bed when mature.
Guides for zone 6
- Dog-safe plants for a full-sun bed in zone 6
- Deer-resistant plants for a full-sun bed in zone 6
- Deer-resistant plants for a part-shade bed in zone 6
- Low-water plants for a full-sun bed in zone 6
- What to plant in a full-sun bed in zone 6
- What to plant in a part-shade bed in zone 6
- What to plant in a shady bed in zone 6
- Cottage garden plants for a sunny bed in zone 6
Questions and answers
- What hardiness zone is Milwaukee, Wisconsin in?
- Central Milwaukee (ZIP 53202) is in zone 6a on the 2023 USDA map: the coldest night of an average winter falls between -10°F and -5°F. Suburbs can be half a zone colder.
- When is the last frost in Milwaukee?
- Typically around May 1 in spring and Oct 10 in fall. These are typical dates; any one year can be two weeks earlier or later.
- When should I plant shrubs and perennials in Milwaukee?
- In spring, early May to early June; in fall, mid-September to mid-October. Fall planting gives roots a cool, moist season to settle before summer.
- How many plants do I need for a 12 × 6 ft bed in Milwaukee?
- Our full-sun bed list for Milwaukee uses 26 plants of 5 kinds, plus 9 bags of mulch.
How this page was made
This page was generated from FloraVista's plant table by fixed rules: the rules engine composed each list for the city's 2023 USDA zone, its region's summers and its state's invasive lists. The frost dates and rainfall are approximate metro values. No person or chat model chose these plants, and no named expert has reviewed this page.
Data status: the plant table is awaiting review by a horticulturist. Check each plant with a local nursery or extension office before you buy.
Sources
- Missouri Botanical Garden Plant Finder, state extension services and the USDA PLANTS database (zones, size, sun, water, bloom, native range)
- ASPCA toxic and non-toxic plant lists (dog and cat toxicity)
- Rutgers NJAES and regional extension deer-resistance ratings
- State noxious-weed and invasive-plant lists and the Invasive Plant Atlas of the US
- Typical US garden-centre listings (pot size and price band)
- USDA Plant Hardiness Zone Map, 2023. Agricultural Research Service, U.S. Department of Agriculture. Data by the PRISM Climate Group, Oregon State University.
- ZIP code to state data: GeoNames (geonames.org), licensed under CC BY 4.0.
Generated . How FloraVista chooses plants
